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CQ-VD7700U/VD7500U
Tr oubleshooting (continued)
File playing time is not
displayed correctly.
You turned off the ignition switch of the car during playback.
aPlaying another file will return the file playing time to normal.
Poor reception or
noise
The number of auto
preset stations is less
than 6.
Preset stations cannot
be stored.
The contact of the battery lead is poor, or the battery lead is not always pow-
ered.
aMake sure that the battery lead is connected securely, and preset stations
again.
The number of receivable stations is less than 6.
aMove to an area where the number of receivable stations is greater, and
try presetting.
No power is supplied to the antenna amplifier (when using a film antenna, etc.).
aCheck the wiring of the antenna battery lead.
Antenna installation or wiring of antenna cable is faulty.
aCheck whether the antenna mounting position and its wiring are correct. In
addition, check to see whether the antenna ground is securely connected
to the chassis.
Problem
Possible cause
a
Possible solution
■ MP3 (Continued)
Problem
Possible cause
a
Possible solution
The picture from a VCR or a
camcorder is not displayed.
The picture from a rear
view camera is not dis-
played.
The picture or the sound
of the rear monitor is not
switchable.
“AUTO” is not selected as the rear monitor setting.
aSelect “AUTO” for the setting.
Input setting of camera is not correct.
aCorrect the input setting.
Rear view camera is not connected correctly.
aConnect a rear view camera correctly.
The VTR1-IN and/or VTR2-IN level is excessively high. (The “OVER” display
appears.)
aAdjust the VTR Input level.
A VCR or Camcorder is not connected correctly.
aConnect a VCR or Camcorder correctly.
■
Car Navigation, VCR, Camcorder, Rear View Camera, Rear Monitor
(Continued)
No sound from a VCR or
a camcorder.
■ Radio
Problem
Possible cause
a
Possible solution
■ SD-Card
Problem
Possible cause
a
Possible solution
Problem
Possible cause
a
Possible solution
The picture from a car
navigation system is
not displayed.
Input setting of a car navigation system is not correct.
aCorrect the input setting.
The connection of a car navigation system is not correct.
aConnect it correctly.
■
Car Navigation, VCR, Camcorder, Rear View Camera, Rear Monitor
No sound on the
speaker.
Problem
Possible cause
a
Possible solution
A disc without subwoofer channel is played back, or analog audio is played
back
¡Subwoofer is set to “NO” in the speaker setting.
aSet subwoofer to
“
YES”.
¡Sound field (SPACE) is set to “OFF”.
aNo technical trouble. Set it to other than “OFF”.
¡A disc recorded on 1 ch, 3 ch, 4 ch, or 5 ch is played back.
aNo technical trouble. No audio is output from the subwoofer when such
a disc is played back.
Note: Sound does not come out of the subwoofer with default speaker setting
when SPACE is set to OFF. (However, some speaker settings allow sound output
even if SPACE is set to OFF.) If SPACE is set to VOCAL, the sound output level
from the subwoofer is lower than with other SPACE settings (except for OFF).
Playing back a disc having a subwoofer channel
¡Subwoofer is set to “NO” in the speaker setting.
aSet subwoofer to
“
YES”.
¡Down mix
aNo technical trouble. Cancel the down mix.
¡Private mode is set to “ON”.
aSet private mode to
“
OFF”.
The speaker setting is “NO” or “NONE”.
aSet it correctly.
The speaker leads are connected in reverse between right and left.
aConnect the speaker wires to the correct one.
Cables are not correctly connected.
aConnect the cables correctly.
No sound from left,
right, front, or rear
speaker.
■ Sound Settings
Left and right sounds
are reversed.
The Card is inserted
but unit can not recog-
nize it
The name of file is not proper
aGive the proper file name to your play data (a page 50).
No file recorded
aRecord play data on SD-Card with your Personal computer.
SD Card is out of order.
aReplace it with new one.
Not initialized SD-Card is inserted.
aInitialize the card and record the play data with your personal computer.
The unit recognizes
the SD-Card but no file
can be selected.
No sound from the
subwoofer